A-A+
Why are the two finds remarkable？A．Because sci
问题详情
Why are the two finds remarkable？
A．Because scientists can not figure out what they can be.
B．Because astronomers have never seen similar orbiting pattern and size before.
C．Because the planets are very huge.
D．Because the planets are far from our solar system.
参考答案
正确答案：B
解析：细节题。第二段描述了最近的两个天文学发现：第—个发现涉及两颗行星，一颗30天公转一周，另一颗公转的时间正好是前一颗的两倍；第二个发现是一个体积为木星17倍的行星。可见这两个发现的特别之处在于前人从未发现过如此奇怪的公转轨道以及如此大的行星，故B正确。
